Slag wool, rock wool and similar mineral wools: U.S. export markets
U.S. exports of slag wool, rock wool and similar mineral wools (HS 6806) totaled $445 million in 2025, shipped to 120 countries and territories. The largest market was Canada, with $173 million (39% of the total, Fromerica calculation). From January–July 2026, exports were $273 million, up 0.1% from the same months of 2025.
What HS 6806 covers
Heading 6806 of the Harmonized Tariff Schedule: “Slag wool, rock wool and similar mineral wools; exfoliated vermiculite, expanded clays, foamed slag and similar expanded mineral materials; mixtures and articles of heat-insulating, sound-insulating or sound-absorbing mineral materials, other than those of heading 6811 or 6812, or of chapter 69.”
Top export markets
The 25 largest buyers of U.S. slag wool, rock wool and similar mineral wools in 2025, with the change so far this year. Countries with a link have a Fromerica export guide.
| # | Country | 2025 | YTD change |
|---|---|---|---|
| 1 | Canada | $173M | ▼ −2.5% |
| 2 | Mexico | $97.1M | ▼ −13% |
| 3 | United Kingdom | $26.9M | ▲ +24% |
| 4 | South Korea | $16.5M | ▼ −19% |
| 5 | China | $12.7M | ▲ +19% |
| 6 | Poland | $12.2M | ▼ −31% |
| 7 | India | $10.6M | ▼ −7.7% |
| 8 | Brazil | $10.0M | ▲ +18% |
| 9 | Germany | $9.5M | ▲ +14% |
| 10 | Japan | $8.8M | ▲ +20% |
| 11 | Singapore | $6.0M | ▲ +63% |
| 12 | Israel | $4.9M | ▲ +4.4% |
| 13 | France | $4.1M | ▼ −16% |
| 14 | Costa Rica | $4.1M | ▼ −19% |
| 15 | Taiwan | $3.1M | ▲ +18% |
| 16 | Australia | $3.1M | ▲ +7.4% |
| 17 | Netherlands | $2.8M | ▲ +30% |
| 18 | Peru | $2.2M | ▲ +0.2% |
| 19 | Turkey | $2.1M | ▼ −16% |
| 20 | Chile | $2.1M | ▼ −41% |
| 21 | United Arab Emirates | $2.0M | ▲ +29% |
| 22 | Spain | $1.9M | ▼ −15% |
| 23 | Italy | $1.9M | ▼ −3.8% |
| 24 | Dominican Republic | $1.9M | ▲ +5.3% |
| 25 | Malaysia | $1.8M | ▲ +24% |
Fastest-growing large markets
Among the top markets with at least $1 million in January–July 2025, these grew the most in January–July 2026 (Fromerica calculation): Singapore (+63%, $5.0M), Netherlands (+30%, $1.9M), United Arab Emirates (+29%, $1.8M), United Kingdom (+24%, $19.2M) and Malaysia (+24%, $1.4M).
States that ship the most
By state of origin of movement: where the goods started their trip to the port, not necessarily where they were made.
| # | State | 2025 | YTD change |
|---|---|---|---|
| 1 | New York | $55.3M | ▼ −1.0% |
| 2 | Pennsylvania | $46.3M | ▼ −10% |
| 3 | Minnesota | $38.5M | ▼ −2.4% |
| 4 | Michigan | $37.4M | ▼ −8.5% |
| 5 | California | $35.3M | ▲ +25% |
| 6 | Missouri | $28.1M | ▼ −12% |
| 7 | Georgia | $23.2M | ▲ +18% |
| 8 | Illinois | $22.4M | ▲ +31% |
| 9 | Texas | $22.3M | ▼ −8.2% |
| 10 | Mississippi | $19.0M | ▼ −37% |
| 11 | Indiana | $14.4M | ▼ −2.5% |
| 12 | New Jersey | $9.9M | ▼ −2.7% |
| 13 | Ohio | $9.2M | ▲ +61% |
| 14 | Florida | $7.5M | ▲ +16% |
| 15 | West Virginia | $5.5M | ▼ −64% |
Next steps
Data source and notes
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.
- Export values: U.S. Census Bureau, International Trade data (census.gov/foreign-trade), free-alongside-ship (FAS) value in current U.S. dollars, not adjusted for inflation. Latest month available: July 2026. Retrieved 2026-09-26. Figures are shown as published, rounded for display (on a computer, hover over a table value to see the exact figure). The Census Bureau revises past months, and we refresh the data every month.
- Shares, year-over-year changes and rankings are Fromerica calculations based on these figures. Product names come from the Harmonized Tariff Schedule (U.S. International Trade Commission) heading for each 4-digit code.
- Fromerica is an independent company, not affiliated with any government agency. This page is for information only and is not legal, trade or investment advice.
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